..Finally, these effects were discovered to be independent of circulating androgens. These data indicate that the ANS of Siberian hamsters undergoes profound changes following prolonged exposure to short winter-like day lengths...

..Lemmings housed in long days reduced anxiety-like responses in the elevated plus maze. Depressive-like behaviours were decreased in the intermediate photoperiod relative to other photoperiod groups...

..Therefore, Ddo is the endogenous enzyme that degrades D-aspartate, and Ddo-enriched organs, low in D-aspartate, may represent areas of high turnover where D-aspartate may be physiologically important...

Estrous phase alters social behavior in a polygynous but not a monogamous Peromyscus species

..Detailed analysis of temporal changes induced by nighttime light exposure may provide insight into the onset and progression of obesity and metabolic syndrome, as well as other disorders involving sleep and circadian rhythm disruption. ..

Light at night increases body mass by shifting the time of food intake

..Microglia activation is increased by dLAN, but only among chow-fed mice and dLAN does not affect inflammatory gene expression. These results suggest that dLAN exaggerates weight gain and peripheral inflammation associated with HFD. ..

..Our results document that brain tissue displays endogenous fluctuations in susceptibility to ischemic damage and demonstrate that small differences in time of onset can significantly influence ischemic outcomes...

..These data support the overall hypothesis that a sensitive period extends into adolescence and that salient social stimuli during this time can significantly and persistently alter adult phenotype. ..

Dim light at night does not disrupt timing or quality of sleep in mice

..Furthermore, we provide evidence that pharmacological activation of α7 nicotinic acetylcholine receptors provide significant protection against ischemia-related cell death and inflammation within a clinically relevant time frame...

..Our findings also suggest that chronic low temperatures experienced only after birth may have less deleterious effects than exposure to a combination of pre- and postnatal or prenatal treatments alone...

..Although other factors besides trade-offs undoubtedly influence seasonal variation in immune defence in animals, a growing literature supports a role for physiological trade-offs and the fitness consequences they sometimes produce...

..The results of this study suggest that an isolated, though highly relevant, social experience during adolescence can significantly alter depressive-like behavior and alcohol self-administration in adulthood. ..

Melatonin treatment during early life interacts with restraint to alter neuronal morphology and provoke depressive-like responses